Let's get this math done. We have 885 and we're going to multiply it by 159. This is the same as taking 885 and adding it to itself 159 times.
Step 1: 0 + 885 = 885
Step 2: 885 + 885 = 1770
Step 3: 1770 + 885 = 2655
Step 4: 2655 + 885 = 3540
Step 5: 3540 + 885 = 4425
Step 6: 4425 + 885 = 5310
Step 7: 5310 + 885 = 6195
Step 8: 6195 + 885 = 7080
Step 9: 7080 + 885 = 7965
Step 10: 7965 + 885 = 8850
Step 11: 8850 + 885 = 9735
Step 12: 9735 + 885 = 10620
Step 13: 10620 + 885 = 11505
Step 14: 11505 + 885 = 12390
Step 15: 12390 + 885 = 13275
Step 16: 13275 + 885 = 14160
Step 17: 14160 + 885 = 15045
Step 18: 15045 + 885 = 15930
Step 19: 15930 + 885 = 16815
Step 20: 16815 + 885 = 17700
Step 21: 17700 + 885 = 18585
Step 22: 18585 + 885 = 19470
Step 23: 19470 + 885 = 20355
Step 24: 20355 + 885 = 21240
Step 25: 21240 + 885 = 22125
Step 26: 22125 + 885 = 23010
Step 27: 23010 + 885 = 23895
Step 28: 23895 + 885 = 24780
Step 29: 24780 + 885 = 25665
Step 30: 25665 + 885 = 26550
Step 31: 26550 + 885 = 27435
Step 32: 27435 + 885 = 28320
Step 33: 28320 + 885 = 29205
Step 34: 29205 + 885 = 30090
Step 35: 30090 + 885 = 30975
Step 36: 30975 + 885 = 31860
Step 37: 31860 + 885 = 32745
Step 38: 32745 + 885 = 33630
Step 39: 33630 + 885 = 34515
Step 40: 34515 + 885 = 35400
Step 41: 35400 + 885 = 36285
Step 42: 36285 + 885 = 37170
Step 43: 37170 + 885 = 38055
Step 44: 38055 + 885 = 38940
Step 45: 38940 + 885 = 39825
Step 46: 39825 + 885 = 40710
Step 47: 40710 + 885 = 41595
Step 48: 41595 + 885 = 42480
Step 49: 42480 + 885 = 43365
Step 50: 43365 + 885 = 44250
Step 51: 44250 + 885 = 45135
Step 52: 45135 + 885 = 46020
Step 53: 46020 + 885 = 46905
Step 54: 46905 + 885 = 47790
Step 55: 47790 + 885 = 48675
Step 56: 48675 + 885 = 49560
Step 57: 49560 + 885 = 50445
Step 58: 50445 + 885 = 51330
Step 59: 51330 + 885 = 52215
Step 60: 52215 + 885 = 53100
Step 61: 53100 + 885 = 53985
Step 62: 53985 + 885 = 54870
Step 63: 54870 + 885 = 55755
Step 64: 55755 + 885 = 56640
Step 65: 56640 + 885 = 57525
Step 66: 57525 + 885 = 58410
Step 67: 58410 + 885 = 59295
Step 68: 59295 + 885 = 60180
Step 69: 60180 + 885 = 61065
Step 70: 61065 + 885 = 61950
Step 71: 61950 + 885 = 62835
Step 72: 62835 + 885 = 63720
Step 73: 63720 + 885 = 64605
Step 74: 64605 + 885 = 65490
Step 75: 65490 + 885 = 66375
Step 76: 66375 + 885 = 67260
Step 77: 67260 + 885 = 68145
Step 78: 68145 + 885 = 69030
Step 79: 69030 + 885 = 69915
Step 80: 69915 + 885 = 70800
Step 81: 70800 + 885 = 71685
Step 82: 71685 + 885 = 72570
Step 83: 72570 + 885 = 73455
Step 84: 73455 + 885 = 74340
Step 85: 74340 + 885 = 75225
Step 86: 75225 + 885 = 76110
Step 87: 76110 + 885 = 76995
Step 88: 76995 + 885 = 77880
Step 89: 77880 + 885 = 78765
Step 90: 78765 + 885 = 79650
Step 91: 79650 + 885 = 80535
Step 92: 80535 + 885 = 81420
Step 93: 81420 + 885 = 82305
Step 94: 82305 + 885 = 83190
Step 95: 83190 + 885 = 84075
Step 96: 84075 + 885 = 84960
Step 97: 84960 + 885 = 85845
Step 98: 85845 + 885 = 86730
Step 99: 86730 + 885 = 87615
Step 100: 87615 + 885 = 88500
Step 101: 88500 + 885 = 89385
Step 102: 89385 + 885 = 90270
Step 103: 90270 + 885 = 91155
Step 104: 91155 + 885 = 92040
Step 105: 92040 + 885 = 92925
Step 106: 92925 + 885 = 93810
Step 107: 93810 + 885 = 94695
Step 108: 94695 + 885 = 95580
Step 109: 95580 + 885 = 96465
Step 110: 96465 + 885 = 97350
Step 111: 97350 + 885 = 98235
Step 112: 98235 + 885 = 99120
Step 113: 99120 + 885 = 100005
Step 114: 100005 + 885 = 100890
Step 115: 100890 + 885 = 101775
Step 116: 101775 + 885 = 102660
Step 117: 102660 + 885 = 103545
Step 118: 103545 + 885 = 104430
Step 119: 104430 + 885 = 105315
Step 120: 105315 + 885 = 106200
Step 121: 106200 + 885 = 107085
Step 122: 107085 + 885 = 107970
Step 123: 107970 + 885 = 108855
Step 124: 108855 + 885 = 109740
Step 125: 109740 + 885 = 110625
Step 126: 110625 + 885 = 111510
Step 127: 111510 + 885 = 112395
Step 128: 112395 + 885 = 113280
Step 129: 113280 + 885 = 114165
Step 130: 114165 + 885 = 115050
Step 131: 115050 + 885 = 115935
Step 132: 115935 + 885 = 116820
Step 133: 116820 + 885 = 117705
Step 134: 117705 + 885 = 118590
Step 135: 118590 + 885 = 119475
Step 136: 119475 + 885 = 120360
Step 137: 120360 + 885 = 121245
Step 138: 121245 + 885 = 122130
Step 139: 122130 + 885 = 123015
Step 140: 123015 + 885 = 123900
Step 141: 123900 + 885 = 124785
Step 142: 124785 + 885 = 125670
Step 143: 125670 + 885 = 126555
Step 144: 126555 + 885 = 127440
Step 145: 127440 + 885 = 128325
Step 146: 128325 + 885 = 129210
Step 147: 129210 + 885 = 130095
Step 148: 130095 + 885 = 130980
Step 149: 130980 + 885 = 131865
Step 150: 131865 + 885 = 132750
Step 151: 132750 + 885 = 133635
Step 152: 133635 + 885 = 134520
Step 153: 134520 + 885 = 135405
Step 154: 135405 + 885 = 136290
Step 155: 136290 + 885 = 137175
Step 156: 137175 + 885 = 138060
Step 157: 138060 + 885 = 138945
Step 158: 138945 + 885 = 139830
Step 159: 139830 + 885 = 140715

So, 885*159 = 140715